REDSTAR Catless Downpipes for BMW M3 F80 & M4 F82 F83
Elimination the stock restrictive catalytic converters provide a huge increase in exhaust flow and will allow for a significant power gain.
- 2014-2018 BMW M3 F80 Sedan 3.0 S55 L6 Twin Turbo
- 2014-2018 BMW M4 F80 Coupe 3.0 S55 L6 Twin Turbo
- 2014-2018 BMW M4 F80 Convertible 3.0 S55 L6 Twin Turbo
- OEM-style Heat Shielding with ceramic inner liner - the best way to reduce radiant heat up to 70%. Usual thermal wraps not even close in effectiveness and durability to the Heat Shields.
- significant power gain
- faster spool up and better throttle response
- increasing the life of the turbos
- reducing under hood temperature
- adds a very nice tone to the exhaust
- 100% bolt-on installation
- 100% hand made in Russia
- 100% TIG welded and back purged
- highest quality 1.6mm wall 304 stainless steell
- OEM-spec 304SS flanges
- all brackets and mounts as on OEM unit
- 5 year warranty against any defects given to original owner
Removing of factory catalytic converters will trigger a сheck engine light. Firmware update, such as our Stage 2 F8X M3/M4 Software is recommended to get maximum performance gains.